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Clin Assoc Prof John Tee Chee Seng

Clin Assoc Prof Tee Chee Seng John


Senior Consultant

KK Women's and Children's Hospital

Specialty: Obstetrics & Gynaecology, General Obstetrics and Gynaecology

Conditions Treated by this Doctor:
Bartholin Marsupialisation, Biopsy, Care and Provision of Services of myomectomy, Conisation of Cervix, Contraceptive Proceduresedto and Treatment of Ectopic Pregnancy, Coping with Common Symptoms in Pregnancy, Diagnostic/Therapetuic Hysteroscopy, Dilation and Curettage, Do’s and Don’ts in Pregnancy, Ectopic Pregnancy, Getting Pregnant During COVID-19, Gynaecology, Hymenotomy, Hysterectomy, Laparoscopy, Methotrexate for Management of Ectopic Pregnancy and Pregnancy of Unknown Location, Molar Pregnancy, Oophorectomy, Outpatient Gynecology Care, Ovarian Cysts, Pelvic Floor, Pregnancy Care (Antenatal, Intrapartum/Birthing and Postnatal Care), Pregnancy Vaginal Birth After Caesaerean Section, Provision of Emergency Screening Ultrasound for Threatened Abortion and Ectopic Pregnancy, Salphingectomy, Sterilization, Your Pregnancy Journey in KKH.

Clinical Appointments

  • Senior Consultant Obstetrics & Gynaecology KK Women's and Children's HospitalKK Women's and Children's Hospital

Academic Appointments

  • Adjunct Associate Professor SingHealth Duke-NUS Obstetrics & Gynaecology Academic Clinical Programme


Assoc Prof Tee is a Senior Consultant in the Division of Obstetrics and Gynaecology in KK Women's and Children's Hospital and the Academic Deputy Vice Chair (Education) for the OBGYN Academic Clinical Programme.

He was a former Division Chairman and Head of Department and is also an Adjunct Associate Professor in Obstetrics and Gynaecology in Duke-NUS University Graduate Medical School and Yong Loo Lin School of Medicine.

Assoc Prof Tee had also collaborated in the handbook "The New Art and Science of Pregnancy and Childbirth", which provided valuable and practical information and tips for expectant mothers in their arduous prenatal period.


  • MBBS - 1978
  • MMed (O&G) - 1985
  • FAMS - 1990

Professional Appointments and Committee Memberships

  • Senior Consultant Division of O&G (KKH), 1 Aug 1997 - present
  • Academic Deputy Vice Chair, Education (OBGYN ACP), 2015 - 2017
  • Director Medical Student Education (OBGYN ACP), 2011 - 2014
  • Member Duke-NUS University Medical School Clinical Faculty Affairs, 2007 - 2017
  • Leader for O&G clerkship Duke-NUS University Medical School Clerkship, 2007 - 2012


  • ​Singapore Health Quality Service Awards 2020 (SHQSA) Gold Award, 2020
  • Singapore Health Quality Service Awards 2019 (SHQSA) Silver Award (Apr 2017 – Mar 2018)
  • Singapore Health Excellence Award 2018, Distinguished Mentor Award (Apr 2018)
  • Singapore Health Quality Service Award (SHQSA) 2015, Superstar Finalist Award
  • Singapore Health Quality Service Award (SHQSA) Star Award, 2014
  • Singapore Health Quality Service Award (SHQSA) Gold Award, 2013
  • GCEO Outstanding Educator Award, 2013
  • Singapore Health Quality Service Award (SHQSA) Gold Award, 2012
  • National Day Award 2011 – Long Service Medal (Aug 2011)
  • Yong Loo Lin School of Medicine - Dean's Award for Teaching Excellence (2008/2009)
  • Duke NUS Appreciation Award for Outstanding Leadership (Oct 2009)
  • KKH Service From The Heart Award (FY 2009 Quarter 3)
  • Excellent Service Award 2008 (Star) (Oct 2008)
  • KKPD Award 2008 – Outstanding Clinical Teacher (FY 2007 – 2008)
  • KKH Service From The Heart Award (1 Jul 2007 to 31 Aug 2007)
  • Best Poster Award (Medical)- An Outpatient Hydration Package That Is An Effective And Satisfying Management Of Hyperemesis Gravidarum At the 24 Hours Women's Clinic- 3rd Author (July 2007)
  • Leader for KKH O&G Residency Training Programme (Training, Education, Surgical Accreditation & Assessment Programme) won Best Oral Presentation Merit Award at 4th Asia-Pacific Medical Education Conference (8-11 Feb 2007)
  • KKH Service From The Heart Award (1 Apr 2006 to 31 May 2006)
  • KKH Service From The Heart Exemplary Award (1 Apr 2005 to 31 Mar 2006)
  • EXSA Star Award – 2004
  • Research Grant - SB Studies in KK Hospital by O&G Society – 1996
  • Long Service Award - by Singapore Armed Forces 3rd Med Battalion
  • Ministry of Health - HMDP in Perinatal Medicine (1990 to 1991)
  • Appreciation Awards for the Volunteer Services - by Ministry of Community Development

Research Interests


  • Xinyi Li, Chee Seng John Tee
    European Journal of Obstetrics & Gynecology and Reproductive Biology 239 (2019) 69-76
    Title: Uterine pseudoaneurysm: A rare cause of secondary post-partum haemorrhage and its management
  • Title: Association between thyroid function tests and anti-thyroid peroxidase (TPO) antibodies in pregnancy
    Tze Ping Loh, John Chee Seng Tee, Nancy Wen Sim Tee, Wan Ling Cheng, Malathi Thevarajah, Nada Sabir, Yee Yean Chew, Sunil Kumar Sethi, Chin Meng Khoo
    Ms. No. ENDO-D-15-00996R2 / Endocrine (2016) 53:865-867
  • Lee WKR, M C, Tee CS – RCOG World Congress 2013 Poster No. EP1.258
    Title: Oral glucose tolerance test (OGTT) and glycated haemoglobin (HBA1C) predict South East Asian women requiring insulin treatment in Gestational Diabetes Mellitus (GDM)
  • Corresponding Author: Dr. Yong Kuei Lim
    Authors: Chee Wai Ku; Gek Choo Teo; Sheow Lei Lim; Chee Seng Tee
    Ms. No.: GYNOR-12-121R1
    Title: Central primary primitive neuroectodermal tumor (cPNET) arising from an ovarian mature cystic teratoma in pregnancy: a case report and review of medical literature
  • Lau M S K, Tee J C S – A Case Report on Rusch tuch PPH,
    Singapore Journal of Obstetrics and Gynaecology published – ref. SMJ 2009; 50(9): e321
  • B Choey, HW Toh, JW Kwek & CS Tee. A Case Report of Scar published - Vol. 39 No. 2
    Endometriosis. Singapore Journal of Obstetrics and Gynaecology dated Jul/Nov 2008
  • On Panel of KKH Experts for KK Hospital Guide to Bringing Up Baby in Singapore (2nd Edition)
  • Tan Thiam Chye, Tan Kim Teng, Tan Heng Hao & John Tee.
    The New Art and Science of Pregnancy and Childbirth: What You Want to Know from Your Obstetrician- World Scientific Publishing Company, Fall 2007.
  • An End to ”See One, Do One and Teach One” Residency Training Programme - Impact of the Training, Education, Surgical Accreditation and Assessment (TESA) Programme on Medical Care and Patients’ Safety. Annals Academy of Medicine, Sep 2007, Vol. 36 No. 9, pg. 756-9.
  • Comparison of Classification Systems for Stillbirths. ANZJOG -2007-0187.
  • Asian Hospital Management Awards 2006 Project- The importance of Training, Education, Surgical accreditation and Assessment (TESA) programme in KK Women’s Hospital for patients’ safety- An end to ”See one, Do one and Teach one” practice (Tan TC, CS Tee- submission)
  • CC Khong, CS Tee, VS Rajadurai. Free Paper- Prevalence Of Sub-clinical Hypothyroidism In Chinese Women Between weeks of Pregnancy, KK Review Jul 2005 pg 115
  • CCC Han, BL Tay, CS Tee: Menopausal Problems- Use of Non-Hormonal Options, KK Review Jul 2005 pg 58- 60
  • K Kwek, ML Yeap, KH Tan, CS Tee, GS Yeo. Crash caesarean section- decision-to-delivery interval- Acta Obstetricia et Gynecologica Scandinavica Sep 2005; 84(9): 914-5
  • K Kwek, ML Yeap, KH Tan, CS Tee. Right-sided anterior Congenital Diaphragmatic Hernia, Acta Obstetricia et Gynecologica Scandinavica 2005, vol 84, no. 9
  • KH Tan, SH Yeo, CS Tee. Quality And Optimum Risk Management In The Hospital Labour Ward- Medical Perspectives. Proceeding Of International Conference On Quality 2005 (ICQ’05 Tokyo), Vol 14-40 (12 pages). Japan Union Scientists And Engineers (JUSE) copyright. In Conjunction With America Society For Quality (ASQ), The European Organization For Quality (EOQ). Sep 13-16 2005
  • Lim TL, Tan KH, Tee CS, Yeo GSH. Investigating Stillbirths Using A Simplified Obstetric Events-based Protocol. Singapore Med J. 2005 Feb;46(2):63-8
    TC Tan, Tony Tan, K Kwek, CS Tee. Severe Newborn Encephalopathy Unrelated To Intrapartum Hypoxia – 3 Case Reports- Annual Academy of Medicine Singapore 2003, 32(5): 653-7
  • YK Lim, Tony YT Tan, Brenda Low, CS Tee: Post TOP Urine Pregnancy Test- Is It Useful As A Strategy To Detect Failed Induced Abortion?- Singapore Journal of Obst & Gyne 2003; 34(3): 11-16
  • KH Tan, Tracey Lim, CS Tee. Sero Prevalence Of CMV, Toxoplasmosis & Parvo Viruses SMJ Vol 41, 2000, pg 151-155
  • ML Yeap, K Kwek, CS Tee, GS Yeo. Umbilical Cord Prolapse And Emergency Caesarean Section- A Review of 25 cases: The Internet Journal of Gyne & Obst, ISSN: 1528 -8439
  • WL Tham, KH Tan, CS Tee. Confidential Enquiry Of Stillbirth In Current Obstetrics Practice – International Journal Of Gynaecology & Obstetrics 1999, Vol 64, pg 287-296
  • CT Yeong, KH Tan, CS Tee, GS Yeo. Optimising Management Of Stillbirths In Modern Singapore – SMJ, 1997Aug;38(8): 317-20
  • Guidelines Of Obstetrical Ultrasound – Chapter of O&G, Academy of Medicine (committee member)
  • CS Tee, CT Yeong. A Case Report: Cephalic Replacement And Emergency Cesarean Section For The Resolution Of Shoulder Dystocia – SMJ, 1995, Dec;36(6): 684-5
  • SF Loh, CS Tee, SY Chew. Acardiac Anomaly, International Journal Gyne Obst., 1994 May; 54 (2): 153-7
  • CS Tee. Delivery of 1st & 2nd Twin – Is there A Safer Interval. KK Review Jan 1994 pg 19
  • CS Tee. An Interesting FHR Strip. KK Review Sep 1993 pg 35
  • CS Tee, CL Tho, AC Tan. Basic Fetal Heart Rate Interpretation – Book Published for KKH In-house Teaching Programme (1992)
  • CS Tee, KW Wang. CK Tho, TL Heng, Rajasoorya. Management Of Gestational Diabetes – Alexandra Experience, Annual Academy of Medicine. 1990 Jul Vol 19(4) pg 459-62
  • CS Tee. Amoebiasis of Cervix Coexisting with ca-in-sita Singapore Journal of O&G, 1989 Mar Vol 20(1) 23-25 
  • CS Tee ,K S Lim, TL Heng, D Venga. HELLP Syndrome and Pre-eclampsia –Singapore Journal of O&G Jul 1989 pg 86-88
  • KK Chow, CS Tee, D Venga, HT Choo. Evaluation Of A Simple Formula For The Estimation Of Fetal Weight In Low Birth Weight Delivery Singapore Journal of O&G 1988, 19(1): 9-12

Research Trials